Let me share some information about QuickBooks Desktop being too slow to respond, Big-Al.
Performance issues can happen if your network is unable to handle large data files. You'll have to make sure that you're only using the recommended networks to prevent slowness. There
isn't a setting in the server that cause this problem except the one provided


For more information on how you can handle issues in QuickBooks, I've got this article for your guide: Resolve QuickBooks Desktop Performance Issues: Manage Your Data File. And if in case you need tips and resources, our Support page is available. This site provides ways to manage your company files, and it also helps improve your navigation experience.
If you have other questions or concerns, our doors are always open. Just leave us a message, and we’ll get back to you as soon as we can. Take care!